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PODCAST

Diagnosing the Aftermarket A to Z

Matt Fanslow"s Diagnosing the Aftermarket A to Z Podcast is a wide-open perspective on all aspects of the automotive aftermarket from a working diagnosticians" point of view. All topics and issues will be on the table.

leisure automotive

All Episodes

33:32

Aliasing: Why Your Oscilloscope May Be Lying To You...

Diagnosing the Aftermarket A to Z ·

2026/02/11

Thanks to our Partners, Pico Technology and AutelWatch Full Video EpisodeMatt answers listener emails about oscilloscope aliasing—what it is, whether all scopes can do it, and how it can trick you into diagnosing failures that aren’t real. Using a “pegboard and golf tees” mental model, he explains how a digital storage oscilloscope samples voltage, stores it in memory, and then reconstructs what you see on-screen. The key takeaway: aliasing isn’t magic, it’s math—specifically the relationship

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14:02

What Rob McElhenney Taught Me About Shop Management...

Diagnosing the Aftermarket A to Z ·

2026/02/04

Thanks to our Partners, Pico Technology and AutelWatch Full Video EpisodeA random YouTube Shorts interview turns into a surprisingly sharp lesson in leadership. Matt shares a story from Rob McElhenney about working with Danny DeVito—and how DeVito’s humility and audience-awareness reveal something shop owners and managers can use immediately: collaboration beats ego, and if you want to reach a demographic (customers or employees), you’d better listen to them. Process matters. Culture matters. And

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21:14

Mr. Baseball [E221]

Diagnosing the Aftermarket A to Z ·

2026/01/28

Thanks to our Partner, Pico TechnologyWatch Full Video EpisodeMatt uses the movie Mr. Baseball (Tom Selleck as Jack, an aging Yankees player traded to Japan) as an analogy for life in the automotive repair world—especially for veteran mechanical/technical specialists whose bodies start breaking down and whose production (and pay) can drop as a result. The core theme: your role can evolve from “hour-cranker” to leader/mentor, but that requires radical honesty, ego-checking, and intentional

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19:58

Bubbles Everywhere: Cavitation and the Cooling System...

Diagnosing the Aftermarket A to Z ·

2026/01/21

Thanks to our Partner, Pico TechnologyWatch Full Video EpisodeMatt goes down a rabbit hole on the science of bubbles and comes back with something surprisingly practical: cavitation is a major source of cooling-system component damage, especially in and around water pumps. The “bad guy” isn’t the bubble forming—it’s the bubble collapsing, releasing intense localized energy, micro-jetting, and shock waves that pit and erode metal surfaces over time. The takeaway: approach cooling-system maintenance

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18:31

Common Cause and Special Cause [E219]

Diagnosing the Aftermarket A to Z ·

2026/01/14

Thanks to our Partner, Pico TechnologyWatch Full Video EpisodeComebacks. Rechecks. Catastrophic parts failures. The stuff that makes everyone’s stomach drop. Matt makes the case that a big part of management’s day-to-day job is not “policing people,” but acting like an investigator—leading with genuine curiosity to figure out what actually happened and what should change.Using Dr. W. Edwards Deming’s framework, Matt breaks problems into two buckets:Common cause: Variation that’s built into the

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22:27

The Part-Time Performer (And The Full-Time Lesson) [218]

Diagnosing the Aftermarket A to Z ·

2026/01/07

Thanks to our Partner, Pico TechnologyWatch Full Video EpisodeThis episode uses professional wrestling’s “part-time performer” phenomenon—stars who leave, come back, and instantly get the spotlight—to explore something that happens in auto repair, too:When a specialist has a reputation that brings cars through the door, the right move is to lean into it—not resent it.Key Talking Points & Takeaways1) The Seth Rollins Quote Sets the Tone“If you’re not learning, then you’re stagnant… and the

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14:49

A Lesson from Parkway Drive: Diamonds That Choose to...

Diagnosing the Aftermarket A to Z ·

2025/12/31

Thanks to our Partner, NAPA Autotech Training and Pico TechnologyWatch Full Video EpisodeEpisode summaryMatt Fanslow pulls a lesson from an unexpected place: a Parkway Drive studio story involving Killswitch Engage’s Adam D. The band tried to force a new sound—clean vocals mixed with screams—and it just wasn’t working. The fix? Stop trying to be a different band and lean into what already fits.Matt ties that directly into shop life: not every shop needs to work on every vehicle type or take every

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33:06

What is the Most Misunderstood Concept in Auto...

Diagnosing the Aftermarket A to Z ·

2025/12/24

Thanks to our Partner, NAPA Autotech Training and Pico TechnologyWatch Full Video EpisodeMatt digs into listener-submitted questions—starting with a deceptively simple one that “freaks him out”: what’s the most misunderstood concept in auto repair? From there, the episode becomes a guided tour through the gray area between knowing what’s true and knowing what’s useful.He revisits a frequent offender in the misinformation world: catalytic converter diagnostics, particularly the old “switch rate”

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20:04

Shop Local [E215]

Diagnosing the Aftermarket A to Z ·

2025/12/17

Thanks to our Partner, NAPA Autotech Training and Pico TechnologyWatch Full Video EpisodeIn this episode, Matt shares a post he wrote after seeing yet another wave of “Who’s the most affordable?” questions in a local community group. He breaks down the hidden cost of chasing the lowest price, explains the local multiplier effect, and uses behavioral economics and game theory to show why short-term savings can create long-term pain—especially in auto repair. Matt also makes the case for educating

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30:32

Thanks Giving [E214]

Diagnosing the Aftermarket A to Z ·

2025/12/10

Thanks to our Partner, NAPA Autotech Training and Pico TechnologyWatch Full Video EpisodeIn this episode, Matt shares a personal Thanksgiving story that turned into a real medical emergency. A long-time family friend suddenly becomes unresponsive at the dinner table, and Matt walks through the moment he had to decide whether to act, despite not being “formally” current on CPR.He talks candidly about what it felt like to drag her to the floor, check for breathing, make the call to start chest

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28:48

No Spoon: Breaking the Matrix [E213]

Diagnosing the Aftermarket A to Z ·

2025/12/03

Thanks to our Partner, NAPA Autotech Training and Pico TechnologyWatch Full Video EpisodeIn this episode, Matt uses The Matrix—especially the line “there is no spoon”—as a metaphor for the invisible cages we build in our own minds. He connects the film to social constructs, substance use disorder, self-limiting beliefs, and the hard, messy reality of change.Matt unpacks what it really means to “take the red pill”: leaving the comfort of your personal matrix, enduring an initial season of discomfort

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17:50

Stop Searching, Start Becoming: The Right Shop...

Diagnosing the Aftermarket A to Z ·

2025/11/26

Thanks to our Partner, NAPA Autotech Training and Pico TechnologyWatch Full Video EpisodeIn this episode, Matt takes a relationship quote and flips it into a perspective shift for shop owners, managers, and specialists: instead of obsessing over “finding the right” customers, employees, or employers, focus on becoming the right shop and the right person—over and over again. He explores how this mindset applies to attracting younger clients, building a place top technical and mechanical specialists

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26:04

Patience with Development [E211]

Diagnosing the Aftermarket A to Z ·

2025/11/19

Thanks to our Partner, NAPA Autotech Training and Pico TechnologyWatch Full Video EpisodeIn this episode of Diagnosing the Aftermarket A to Z, Matt Fanslow uses a famous Michael Jordan quote, a heartbreaking Minnesota Vikings loss, and a rant from Jeff Compton of The Jaded Mechanic Podcast to dig into a big question:When did we get so impatient with young people—and what is it costing our industry?Matt reflects on how we treat new, entry-level mechanical and technical specialists in our shops, how

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47:27

Boarder Patrol....I Mean Boundary Patrol [E210]

Diagnosing the Aftermarket A to Z ·

2025/11/12

Thanks to our Partner, NAPA Autotech Training and Pico TechnologyWatch Full Video EpisodeWe unpack what “boundaries” actually are—and aren’t—in shops and life. Margaret draws clear lines between rules vs. boundaries, protective vs. containing boundaries, and gives scripts you can use with customers, colleagues, and leadership. Matt adds his trademark honesty (and jokes) about self-regulation, “saying it like it is,” and swapping “but” for “and.”Sponsor shoutoutsNAPA AutoTech Training — Apprentice

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17:25

Electrical Myth La Resistance! [E209]

Diagnosing the Aftermarket A to Z ·

2025/11/05

Thanks to our Partner, NAPA Autotech Training and Pico TechnologyWatch Full Video EpisodeMatt Fanslow opens with “Resistance is futile” and tackles a common belief: “Resistance always makes current go down.” He walks through why that’s mostly—but not always—true, and shows how electric motors (especially starters) can draw more current when unwanted resistance slows them down by reducing counter-EMF. Along the way he ties Ohm’s Law to real diagnostics, shares a Rust Belt cable-smoker story, and

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21:56

"Yo, Adrian!" What We Can Learn From Rocky [E208]

Diagnosing the Aftermarket A to Z ·

2025/10/29

Thanks to our Partner, NAPA Autotech Training and Pico TechnologyWatch Full Video EpisodeMatt riffs on a surprisingly quiet moment from Rocky—the late-night scene where Rocky admits he can’t beat Apollo and Adrian simply asks, “What do we do?” From that question, Matt draws a blueprint for technicians and shop owners: set realistic, self-assigned wins and stack them. Instead of living and dying by big, binary outcomes (“fixed/not fixed,” “hit benchmark/missed benchmark”), build momentum with

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33:20

I Hope You're Proud of Yourself [E207]

Diagnosing the Aftermarket A to Z ·

2025/10/22

Thanks to our Partner, NAPA Autotech Training and Pico TechnologyWatch Full Video EpisodeMatt wrestles with a lifelong pattern of shame, defensiveness, and downplaying wins—and how naming it (out loud) is helping him show up better at work and at home. This one’s part confessional, part field guide: practical, unglamorous steps for accepting compliments, advocating for your value, and being safer to confront in relationships.Content note: brief, heartfelt discussion of infant loss (the story of

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01:01:01

Training That Actually Trains with Brandon Steckler &...

Diagnosing the Aftermarket A to Z ·

2025/10/15

Thanks to our Partner, NAPA Autotech Training and Pico TechnologyWatch Full Video EpisodeLive from “pre-ASTA,” Matt sits down with two “industry nobodies” (his words) who… are anything but. The trio gets honest about what makes training worth the time and money—and what ruins it. They dig into presenter prep (yes, 40 hours for a 4-hour class), class vetting, sponsor pressure, why a sexy scope trick isn’t always the right first move, and how to bring new voices onto the stage without burning

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46:01

Keys, Clones, and Cobra Effects with Mike Maleski [E205]

Diagnosing the Aftermarket A to Z ·

2025/10/08

Thanks to our Partner, NAPA Autotech Training and Pico TechnologyWatch Full Video EpisodeLive(ish) from ASTA 2025 in Raleigh, I “borrow” a guest from a Keith Perkins immobilizer class: Mike Maleski of PSK Automotive and Rosedale Technical College. We dig into the business of keys/immobilizers—what drew him in, locksmith gatekeeping, where OE tools beat aftermarket for workflow, flat-rate incentives (hello, Cobra Effect), cloning/EEPROM realities, and teaching diagnostics to the next generation

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22:41

Shop Culture: Having An Attitude As Giddy As a Child...

Diagnosing the Aftermarket A to Z ·

2025/10/01

Thanks to our Partner, NAPA Autotech Training and Pico TechnologyWatch Full Video EpisodeMatt Fanslow explores the complex relationship between passion, purpose, and the realities of working in the automotive repair industry. Inspired by a story of a successful businessman who rediscovers his childhood joy fixing bicycles, Matt reflects on how easily passion can fade — and what shop owners and managers can do to help their teams rekindle it.He tackles the classic debate of “follow your passion”

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158 results

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